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DRV8872DDARQ1

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$ 2.17

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$ 1.95

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$ 1.84

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$ 1.60

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$ 1.49

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$ 1.29

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$ 1.10

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$ 0.93

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Texas Instruments DRV8872DDARQ1

The DRV8872-Q1 device
is a brushed DC (BDC) motor driver for infotainment, HUD projector
adjustment, motorized shifter knobs, and piezo horn drivers. Two logic inputs control the
H-bridge driver, which consists of four N-channel MOSFETs that provide bidirectional control of
motors up to 3.6-A peak current. The inputs can be pulse-width modulated (PWM) to control motor
speed, using a choice of current-decay modes. Setting both inputs low enters a low-power sleep
mode.

The DRV8872-Q1 device
features integrated current regulation, based on an internal reference voltage and the voltage on
the ISEN pin, which is proportional to motor current through an external sense resistor. The
ability to limit current to a known level can significantly reduce the system power requirements
and bulk capacitance needed to maintain stable voltage, especially for motor startup and stall
conditions.

The device is fully protected from faults and short circuits, including undervoltage
lockout (UVLO), overcurrent protection (OCP), and thermal shutdown (TSD). Faults are communicated
by pulling the nFAULT output low. When the fault condition is removed, the device automatically
resumes normal operation.